32results about How to "Unobstructed air intake" patented technology

The invention provides a plate-type heat pipe radiator and applications thereof in a portable computer. In the radiator of the invention, the heat pipe (1) adopts a plate-type structure such that an air convection extended heat-exchange surface (3) (namely a rib) provided thereon surrounds and faces an impeller (3) of a fan (4), thus saving a fan housing and occupied space and cost thereof, shortening distance for heat transfer in the heat pipe (1) and compacting the radiator to a large extent. The heat dissipating capacity is further improved by incorporating strengthened convection heat transfer structure and setting the rib in accordance with aerodynamics. The radiator has lessened mounting limit on a main board (7), which can realize series standardization of the radiator. Three portable computers are set forth using the inventive radiator, thus making the computer performance higher, lighter, lower in cost and more convenient for users on the basis of enhancement of heat dissipating capacity.

The invention relates to a cushioning packaging bag for preventing articles from being broken, in particular to a self-closing cushioning packaging bag which automatically closes an air intake channel after inflation and can well prevent gas leakage. The present invention adopts the following technical solutions: a self-closing cushioning packaging bag, characterized in that: a strip of heat-resistant ink is coated between the two layers of inner film and near its upper end along its length direction. One layer of outer film and two layers of inner film are provided with a first heat-sealing line at the heat-resistant ink strip and its lower position. The first heat-sealing line is continuous wave-shaped, and the upper bow of the first heat-sealing line is located At the corresponding position of the ink bar, the lower concave part of the first heat-sealing line is located at the position below the heat-resistant ink bar. By adopting the above-mentioned solution, the present invention overcomes the shortcomings of the prior art and provides a reasonable structure, good self-closing property, processing A new type of self-closing cushioning bag with low difficulty.

The invention discloses a filtering device. One end of the filtering device is an air inlet end and the other end of the filtering device is a connection end; the air inlet end is provided with an annular filtering cavity into which an air inlet pipe of a vacuum adjusting device is inserted; the connection end is combined with a shell of the vacuum adjusting device; the filtering cavity is internally provided with annular filtering sponge which is coaxial with the air inlet pipe; an air vent is arranged on the wall face, which is located below the filtering sponge, of the filtering cavity; a buffering cavity communicated with the air vent is arranged at the outer side of the filtering cavity; one side, which is far away from the connection end, of the buffering cavity is provided with an air inlet communicated with external atmosphere; and the connection end is provided with a bent part which enables air to flow in an opposite direction to reach the air vent. The invention further discloses the vacuum adjusting device. The filtering device disclosed by the invention is applicable to various vacuum adjusting devices and can ensure smooth air feeding of the vacuum adjusting devices for a long time so as to avoid blocking and reduce the times of maintenance.

The invention relates to the field of unmanned aerial vehicles, in particular to an unmanned transport aircraft vehicle which comprises an air flow central guide plate, eight ailerons, a folding undercart and a lifter, wherein the eight ailerons are symmetrically arranged on the air flow central guide plate; the folding undercart and the lifter are arranged on the lower side of the air flow central guide plate; the air flow central guide plate comprises an upper structure and a lower structure; an air flow guide-out plate and an air flow guide-in plate in a certain distance are arranged between the upper structure and the lower structure; the air flow guide-out plate and the air flow guide-in plate are sealed around to form a cavity structure; the air flow guide-in plate is of a planar structure; the air flow guide-out plate is of a concave surface structure; a plurality of guide-in holes are formed in the air flow guide-in plate; a plurality of guide-out holes are formed in the air flow guide-out plate; the guide-out holes do not correspond to the guide-in holes; the guide-out holes are formed in the air flow guide-out plate between every two adjacent ailerons; the guide-out holes are of inclined structures; the lower edges of the side, close to the center of the air flow guide-out plate, of the guide-out holes have gradients facing to inside of the cavity. When the unmanned transport aircraft vehicle is used, the working efficiency of a motor can be improved, and flying stability of the unmanned transport aircraft vehicle can be improved.

The invention provides a distributed energy emission regeneration device. The distributed energy emission regeneration device comprises a base; a filter box fixedly mounted at the top of the base; a filter screen movably mounted in the filter box in a sealed manner, wherein the top of the filter screen extends out of the filter box; a fixed block fixedly mounted on the filter screen; two clamping grooves symmetrically formed in the fixing block; two supporting rods symmetrically mounted on the filter box in a sliding manner; a connecting block fixedly mounted at the top end of the supporting rod; and clamping blocks fixedly installed on the connecting blocks, wherein the clamping blocks are movably connected with the inner walls of the corresponding clamping grooves. The distributed energy emission regeneration device provided by the invention has the advantages that the use is convenient, the emission can be converted and regenerated, the environment is protected, and meanwhile, the waste is avoided.

The invention relates to the technical field of battery pack boxes, in particular to a lithium battery pack box used for a communication base station. A fan blade is fixedly installed on the top of a first rotating shaft, a fixing plate is fixedly installed on the outer wall of the first box, and the fixing plate is rotatable. A third rotating shaft is installed parallel to the first rotating shaft. The third rotating shaft and the first rotating shaft are drivingly connected to the same drive module. The bottom end of the third rotating shaft extends downward to the bottom of the first box body. Two guide rods arranged parallel to each other are fixedly installed on the surface, a rod sleeve is sleeved on the two guide rods, and a brush is fixedly installed between the two rod sleeves. A filter screen is installed on the tuyere, and the brush and the third rotating shaft are connected by means of a crank link mechanism. The invention can clean the filter screen on the air inlet in real time by setting the crank connecting rod mechanism and the brush, so that the heat dissipation of the chassis can be efficiently carried out.

The invention discloses an air inlet recycling pipe component with annular pipeline cavities. The air inlet recycling pipe component comprises a main pipeline; a first annular pipeline and a second annular pipeline sleeve the outer side of the main pipeline; a first annular pipeline cavity and a second annular pipeline cavity are formed between the first annular pipeline and the main pipeline as well as between the second annular pipeline and the main pipeline; the first annular pipeline is connected with the second annular pipeline through an annular plate; ventilation holes are uniformly formed in the circle of periphery of the annular plate; an annular notch which is communicated with the second annular pipeline cavity is also formed in the side wall of the main pipeline; a recycling air inlet pipe is vertically arranged on the outer side of the first annular pipeline; and the recycling air inlet pipe is communicated with the first annular pipeline cavity. According to the air inlet recycling pipe component, a decompression structure formed by the parallel two-stage annular pipeline cavities is adopted, so that the structure is compact, and airflow loss is reduced while the pressure is reduced; and the phenomenon that after recycling air flows into the main pipeline, the pressure of the recycling air causes adverse influence on the working efficiency of a supercharger compressor impeller and causes turbulent flow influence on the air in the main pipeline is avoided.

The invention discloses a vehicle engine pressurized air filter auxiliary device, which includes an air pipe connected to the intake end of the vehicle engine, a filter screen is rotatably connected to the inner wall of the air pipe, and a blower is arranged on the side of the filter screen close to the engine. Both sides of the filter screen are respectively provided with an air return pipe and an air guide pipe which are offset against it, and the air return pipe and the air guide pipe are fixed to the inner wall of the trachea; the air guide pipe is a straight pipe connected at both ends, and the return air pipe The air pipe is an elbow with one end touching the filter screen. The end of the air return pipe away from the filter screen is connected to a side pipe. The side pipe is connected to the air pipe, and the connection between the side pipe and the air pipe is located on the side of the air outlet of the blower. , the air return pipe is opposite to the corresponding air guide pipe. The advantage is that: when the air blower is pumping air in the present invention, the filter screen has a preliminary filtering effect on the air pumped in, making the air entering the air filter body relatively cleaner, reducing the working load of the air filter body and prolonging its service life.